Reactive azo dyes with an aminonaphthalenesulfonic acid coupling component and intermediates therefor

US6011140A · kind A · utility

Assignee

• BASF SE

Inventors

• Andrea Zamponi · Mannheim, DE
• Manfred Patsch · Monsheim, DE
• Hermann Loffler · Speyer, DE

Key dates

• Filing date: Jul 6, 1998
• Grant date: Jan 4, 2000
• Expiry date: Jul 6, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/513
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Reactive dyes of the formula ##STR1## where n is 1 or 2, PA1 G.sup.1 is hydrogen or hydroxyl, PA1 G.sup.2 is hydrogen or hydroxysulfonyl, PA1 G.sup.3 is hydrogen or arylazo, PA1 R.sup.1 is hydrogen or hydroxysulfonylmethyl, PA1 R.sup.2 is hydrogen or hydroxysulfonylmethyl, and PA1 D is the radical of a diazo or tetraazo component having in each case at least one anchor radical of the formula SO.sub.2 --Y, where Y is vinyl or substituted ethyl, their use for dyeing or printing hydroxyl-containing or nitrogenous organic substrates, and naphthylamines as intermediates therefor.